%0 Journal Article %A È. L. Pekarev %T Regular and completely irregular factorizations of a characteristic function %J Funkcionalʹnyj analiz i ego priloženiâ %D 1976 %P 85-86 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1976_10_1_a16/ %G ru %F FAA_1976_10_1_a16